File indexing completed on 2024-05-12 16:46:29

 /***************************************************************************
     Copyright (C) 2003-2009 Robby Stephenson <robby@periapsis.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or         *
  *   modify it under the terms of the GNU General Public License as        *
  *   published by the Free Software Foundation; either version 2 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #include "csvimporter.h"
 #include "csvparser.h"
 #include "translators.h" // needed for ImportAction
 #include "../collectionfieldsdialog.h"
 #include "../collection.h"
 #include "../tellico_debug.h"
 #include "../collectionfactory.h"
 #include "../gui/collectiontypecombo.h"
 #include "../utils/stringset.h"
 
 #include <KComboBox>
 #include <KSharedConfig>
 #include <KConfigGroup>
 #include <KMessageBox>
 #include <KLocalizedString>
 
 #include <QSpinBox>
 #include <QLineEdit>
 #include <QPushButton>
 #include <QGroupBox>
 #include <QLabel>
 #include <QCheckBox>
 #include <QRadioButton>
 #include <QTableWidget>
 #include <QHeaderView>
 #include <QGridLayout>
 #include <QByteArray>
 #include <QVBoxLayout>
 #include <QHBoxLayout>
 #include <QButtonGroup>
 #include <QApplication>
 
 using Tellico::Import::CSVImporter;
 
 CSVImporter::CSVImporter(const QUrl& url_) : Tellico::Import::TextImporter(url_),
     m_existingCollection(nullptr),
     m_firstRowHeader(false),
     m_delimiter(QStringLiteral(",")),
     m_cancelled(false),
     m_widget(nullptr),
     m_comboColl(nullptr),
     m_checkFirstRowHeader(nullptr),
     m_radioComma(nullptr),
     m_radioSemicolon(nullptr),
     m_radioTab(nullptr),
     m_radioOther(nullptr),
     m_editOther(nullptr),
     m_editColDelimiter(nullptr),
     m_editRowDelimiter(nullptr),
     m_table(nullptr),
     m_colSpinBox(nullptr),
     m_comboField(nullptr),
     m_setColumnBtn(nullptr),
     m_hasAssignedFields(false),
     m_isLibraryThing(false),
     m_parser(new CSVParser(text())) {
   m_parser->setDelimiter(m_delimiter);
 }
 
 CSVImporter::~CSVImporter() {
   delete m_parser;
   m_parser = nullptr;
 }
 
 Tellico::Data::CollPtr CSVImporter::collection() {
   // don't just check if m_coll is non-null since the collection can be created elsewhere
   if(m_coll && m_coll->entryCount() > 0) {
     return m_coll;
   }
 
   if(!m_coll) {
     createCollection();
   }
 
   const QStringList existingNames = m_coll->fieldNames();
 
   QList<int> cols;
   cols.reserve(m_table->columnCount());
   QStringList names;
   names.reserve(m_table->columnCount());
   for(int col = 0; col < m_table->columnCount(); ++col) {
     QString t = m_table->horizontalHeaderItem(col)->text();
     if(m_coll->fieldByTitle(t)) {
       cols << col;
       names << m_coll->fieldNameByTitle(t);
     }
   }
 
   if(names.isEmpty()) {
     myDebug() << "no fields assigned";
     return Data::CollPtr();
   }
 
   m_parser->reset(text());
 
   // if the first row are headers, skip it
   if(m_firstRowHeader) {
     m_parser->skipLine();
   }
 
   const uint numChars = text().size();
   const uint stepSize = qMax(s_stepSize, numChars/100);
   const bool showProgress = options() & ImportProgress;
 
   // do we need to replace column or row delimiters
   const bool replaceColDelimiter = (!m_colDelimiter.isEmpty() && m_colDelimiter != FieldFormat::columnDelimiterString());
   const bool replaceRowDelimiter = (!m_rowDelimiter.isEmpty() && m_rowDelimiter != FieldFormat::rowDelimiterString());
 
   uint j = 0;
   while(!m_cancelled && m_parser->hasNext()) {
     bool empty = true;
     Data::EntryPtr entry(new Data::Entry(m_coll));
     QStringList values = m_parser->nextTokens();
     for(int i = 0; i < names.size(); ++i) {
       if(cols[i] >= values.size()) {
         break;
       }
       QString value = values[cols[i]].trimmed();
       // only replace delimiters for tables
       // see https://forum.kde.org/viewtopic.php?f=200&t=142712
       if(replaceColDelimiter && m_coll->fieldByName(names[i])->type() == Data::Field::Table) {
         value.replace(m_colDelimiter, FieldFormat::columnDelimiterString());
       }
       if(replaceRowDelimiter && m_coll->fieldByName(names[i])->type() == Data::Field::Table) {
         value.replace(m_rowDelimiter, FieldFormat::rowDelimiterString());
       }
       if(m_isLibraryThing) {
         // special cases for LibraryThing import
         if(names[i] == QLatin1String("isbn")) {
           // ISBN values are enclosed by brackets
           value.remove(QLatin1Char('[')).remove(QLatin1Char(']'));
         } else if(names[i] == QLatin1String("keyword")) {
           // LT values are comma-separated
           value.replace(QLatin1String(","), FieldFormat::delimiterString());
         } else if(names[i] == QLatin1String("cdate")) {
           // only want date, not time. 10 characters since it's zero-padded
           value.truncate(10);
         }
       }
       bool success = entry->setField(names[i], value);
       // we might need to add a new allowed value
       // assume that if the user is importing the value, it should be allowed
       if(!success && m_coll->fieldByName(names[i])->type() == Data::Field::Choice) {
         Data::FieldPtr f = m_coll->fieldByName(names[i]);
         StringSet allow;
         allow.add(f->allowed());
         allow.add(value);
         f->setAllowed(allow.values());
         m_coll->modifyField(f);
         success = entry->setField(names[i], value);
       }
       if(empty && success) {
         empty = false;
       }
       j += value.size();
     }
     if(!empty) {
       m_coll->addEntries(entry);
     }
 
     if(showProgress && j%stepSize == 0) {
       emit signalProgress(this, 100*j/numChars);
       qApp->processEvents();
     }
   }
 
   {
     KConfigGroup config(KSharedConfig::openConfig(), QStringLiteral("ImportOptions - CSV"));
     config.writeEntry("Delimiter", m_delimiter);
     config.writeEntry("ColumnDelimiter", m_colDelimiter);
     config.writeEntry("RowDelimiter", m_rowDelimiter);
     config.writeEntry("First Row Titles", m_firstRowHeader);
   }
 
   return m_coll;
 }
 
 QWidget* CSVImporter::widget(QWidget* parent_) {
   if(m_widget && m_widget->parent() == parent_) {
     return m_widget;
   }
 
   m_widget = new QWidget(parent_);
   QVBoxLayout* l = new QVBoxLayout(m_widget);
 
   QGroupBox* groupBox = new QGroupBox(i18n("CSV Options"), m_widget);
   QVBoxLayout* vlay = new QVBoxLayout(groupBox);
 
   QHBoxLayout* hlay = new QHBoxLayout();
   vlay->addLayout(hlay);
   QLabel* lab = new QLabel(i18n("Collection &type:"), groupBox);
   hlay->addWidget(lab);
   m_comboColl = new GUI::CollectionTypeCombo(groupBox);
   hlay->addWidget(m_comboColl);
   lab->setBuddy(m_comboColl);
   m_comboColl->setWhatsThis(i18n("Select the type of collection being imported."));
   void (QComboBox::* activatedInt)(int) = &QComboBox::activated;
   connect(m_comboColl, activatedInt, this, &CSVImporter::slotTypeChanged);
 
   m_checkFirstRowHeader = new QCheckBox(i18n("&First row contains field titles"), groupBox);
   m_checkFirstRowHeader->setWhatsThis(i18n("If checked, the first row is used as field titles."));
   connect(m_checkFirstRowHeader, &QAbstractButton::toggled, this, &CSVImporter::slotFirstRowHeader);
   hlay->addWidget(m_checkFirstRowHeader);
 
   hlay->addStretch(10);
 
   // use a constant width for the edit boxes. They're 1 or 2 characters long.
 #if (QT_VERSION < QT_VERSION_CHECK(5, 11, 0))
   const int editWidth = 4 * m_widget->fontMetrics().width(QLatin1Char('X'));
 #else
   const int editWidth = 4 * m_widget->fontMetrics().horizontalAdvance(QLatin1Char('X'));
 #endif
 
   QHBoxLayout* delimiterLayout = new QHBoxLayout();
   vlay->addLayout(delimiterLayout);
 
   lab = new QLabel(i18n("Delimiter:"), groupBox);
   lab->setWhatsThis(i18n("In addition to a comma, other characters may be used as "
                          "a delimiter, separating each value in the file."));
   delimiterLayout->addWidget(lab);
 
   m_radioComma = new QRadioButton(groupBox);
   m_radioComma->setText(i18n("&Comma"));
   m_radioComma->setChecked(true);
   m_radioComma->setWhatsThis(i18n("Use a comma as the delimiter."));
   delimiterLayout->addWidget(m_radioComma);
 
   m_radioSemicolon = new QRadioButton( groupBox);
   m_radioSemicolon->setText(i18n("&Semicolon"));
   m_radioSemicolon->setWhatsThis(i18n("Use a semi-colon as the delimiter."));
   delimiterLayout->addWidget(m_radioSemicolon);
 
   m_radioTab = new QRadioButton(groupBox);
   m_radioTab->setText(i18n("Ta&b"));
   m_radioTab->setWhatsThis(i18n("Use a tab as the delimiter."));
   delimiterLayout->addWidget(m_radioTab);
 
   m_radioOther = new QRadioButton(groupBox);
   m_radioOther->setText(i18n("Ot&her:"));
   m_radioOther->setWhatsThis(i18n("Use a custom string as the delimiter."));
   delimiterLayout->addWidget(m_radioOther);
 
   m_editOther = new QLineEdit(groupBox);
   m_editOther->setEnabled(false);
   m_editOther->setFixedWidth(editWidth);
   m_editOther->setMaxLength(1);
   m_editOther->setWhatsThis(i18n("A custom string, such as a colon, may be used as a delimiter."));
   m_editOther->setEnabled(false);
   delimiterLayout->addWidget(m_editOther);
   connect(m_radioOther, &QAbstractButton::toggled,
           m_editOther, &QWidget::setEnabled);
   connect(m_editOther, &QLineEdit::textChanged, this, &CSVImporter::slotDelimiter);
   delimiterLayout->addStretch(10);
 
   QButtonGroup* buttonGroup = new QButtonGroup(groupBox);
   buttonGroup->addButton(m_radioComma);
   buttonGroup->addButton(m_radioSemicolon);
   buttonGroup->addButton(m_radioTab);
   buttonGroup->addButton(m_radioOther);
 #if (QT_VERSION < QT_VERSION_CHECK(5, 15, 0))
   void (QButtonGroup::* buttonClickedInt)(int) = &QButtonGroup::buttonClicked;
   connect(buttonGroup, buttonClickedInt, this, &CSVImporter::slotDelimiter);
 #else
   connect(buttonGroup, &QButtonGroup::idClicked, this, &CSVImporter::slotDelimiter);
 #endif
 
   QHBoxLayout* delimiterLayout2 = new QHBoxLayout();
   vlay->addLayout(delimiterLayout2);
 
   QString w = i18n("The column delimiter separates values in each column of a <i>Table</i> field.");
   lab = new QLabel(i18n("Table column delimiter:"), groupBox);
   lab->setWhatsThis(w);
   delimiterLayout2->addWidget(lab);
   m_editColDelimiter = new QLineEdit(groupBox);
   m_editColDelimiter->setWhatsThis(w);
   m_editColDelimiter->setFixedWidth(editWidth);
   m_editColDelimiter->setMaxLength(1);
   delimiterLayout2->addWidget(m_editColDelimiter);
   connect(m_editColDelimiter, &QLineEdit::textChanged, this, &CSVImporter::slotDelimiter);
 
   w = i18n("The row delimiter separates values in each row of a <i>Table</i> field.");
   lab = new QLabel(i18n("Table row delimiter:"), groupBox);
   lab->setWhatsThis(w);
   delimiterLayout2->addWidget(lab);
   m_editRowDelimiter = new QLineEdit(groupBox);
   m_editRowDelimiter->setWhatsThis(w);
   m_editRowDelimiter->setFixedWidth(editWidth);
   m_editRowDelimiter->setMaxLength(1);
   delimiterLayout2->addWidget(m_editRowDelimiter);
   connect(m_editRowDelimiter, &QLineEdit::textChanged, this, &CSVImporter::slotDelimiter);
 
   delimiterLayout2->addStretch(10);
 
   m_table = new QTableWidget(5, 0, groupBox);
   vlay->addWidget(m_table);
   m_table->setSelectionMode(QAbstractItemView::SingleSelection);
   m_table->setSelectionBehavior(QAbstractItemView::SelectColumns);
   m_table->verticalHeader()->hide();
   m_table->horizontalHeader()->setSectionsClickable(true);
   m_table->setMinimumHeight(m_widget->fontMetrics().lineSpacing() * 8);
   m_table->setWhatsThis(i18n("The table shows up to the first five lines of the CSV file."));
   connect(m_table, &QTableWidget::currentCellChanged, this, &CSVImporter::slotCurrentChanged);
   connect(m_table->horizontalHeader(), &QHeaderView::sectionClicked, this, &CSVImporter::slotHeaderClicked);
 
   QHBoxLayout* hlay3 = new QHBoxLayout();
   vlay->addLayout(hlay3);
 
   QString what = i18n("<qt>Set each column to correspond to a field in the collection by choosing "
                       "a column, selecting the field, then clicking the <i>Assign Field</i> button.</qt>");
   lab = new QLabel(i18n("Co&lumn:"), groupBox);
   hlay3->addWidget(lab);
   lab->setWhatsThis(what);
   m_colSpinBox = new QSpinBox(groupBox);
   hlay3->addWidget(m_colSpinBox);
   m_colSpinBox->setWhatsThis(what);
   m_colSpinBox->setMinimum(1);
   void (QSpinBox::* valueChangedInt)(int) = &QSpinBox::valueChanged;
   connect(m_colSpinBox, valueChangedInt, this, &CSVImporter::slotSelectColumn);
   lab->setBuddy(m_colSpinBox);
 
   hlay3->addSpacing(10);
 
   lab = new QLabel(i18n("&Data field in this column:"), groupBox);
   hlay3->addWidget(lab);
   lab->setWhatsThis(what);
   m_comboField = new KComboBox(groupBox);
   hlay3->addWidget(m_comboField);
   m_comboField->setWhatsThis(what);
   // roughly 5 times the width of the edit box
   m_comboField->setFixedWidth(5 * editWidth);
 //  m_comboField->setSizeAdjustPolicy(QComboBox::AdjustToContents);
   connect(m_comboField, activatedInt, this, &CSVImporter::slotFieldChanged);
   lab->setBuddy(m_comboField);
 
   hlay3->addSpacing(10);
 
   m_setColumnBtn = new QPushButton(i18n("&Assign Field"), groupBox);
   hlay3->addWidget(m_setColumnBtn);
   m_setColumnBtn->setWhatsThis(what);
   m_setColumnBtn->setIcon(QIcon::fromTheme(QStringLiteral("dialog-ok-apply")));
   connect(m_setColumnBtn, &QAbstractButton::clicked, this, &CSVImporter::slotSetColumnTitle);
 //  hlay3->addStretch(10);
 
   l->addWidget(groupBox);
   l->addStretch(1);
 
   KConfigGroup config(KSharedConfig::openConfig(), QStringLiteral("ImportOptions - CSV"));
   m_delimiter = config.readEntry("Delimiter", m_delimiter);
   m_colDelimiter = config.readEntry("ColumnDelimiter", m_colDelimiter);
   m_rowDelimiter = config.readEntry("RowDelimiter", m_rowDelimiter);
   m_firstRowHeader = config.readEntry("First Row Titles", m_firstRowHeader);
 
   m_checkFirstRowHeader->setChecked(m_firstRowHeader);
   if(m_delimiter == QLatin1String(",")) {
     m_radioComma->setChecked(true);
   } else if(m_delimiter == QLatin1String(";")) {
     m_radioSemicolon->setChecked(true);
   } else if(m_delimiter == QLatin1String("\t")) {
     m_radioTab->setChecked(true);
   } else if(!m_delimiter.isEmpty()) {
     m_radioOther->setChecked(true);
     m_editOther->setEnabled(true);
     m_editOther->setText(m_delimiter);
   }
   m_editColDelimiter->setText(m_colDelimiter);
   m_editRowDelimiter->setText(m_rowDelimiter);
 
   slotDelimiter(); // initialize the parser and then load the text
 
   return m_widget;
 }
 
 bool CSVImporter::validImport() const {
   // at least one column has to be defined
   if(!m_hasAssignedFields) {
     KMessageBox::sorry(m_widget, i18n("At least one column must be assigned to a field. "
                                       "Only assigned columns will be imported."));
   }
   return m_hasAssignedFields;
 }
 
 void CSVImporter::fillTable() {
   if(!m_table) {
     return;
   }
 
   m_parser->reset(text());
   // not skipping first row since the updateHeader() call depends on it
 
   int maxCols = 0;
   int row = 0;
   for( ; m_parser->hasNext() && row < m_table->rowCount(); ++row) {
     QStringList values = m_parser->nextTokens();
     if(static_cast<int>(values.count()) > m_table->columnCount()) {
       m_table->setColumnCount(values.count());
       m_colSpinBox->setMaximum(values.count());
     }
     int col = 0;
     foreach(const QString& value, values) {
       m_table->setItem(row, col, new QTableWidgetItem(value));
       m_table->resizeColumnToContents(col);
       ++col;
     }
     if(col > maxCols) {
       maxCols = col;
     }
     // special case, check if the header row matches LibraryThing CSV export
     // assume LT export always uses identical header row and verify against first 7 columns
     if(row == 0 && values.count() > 7) {
       m_isLibraryThing = (values.at(0) == QLatin1String("'TITLE'") &&
                           values.at(1) == QLatin1String("'AUTHOR (first, last)'") &&
                           values.at(2) == QLatin1String("'AUTHOR (last, first)'") &&
                           values.at(3) == QLatin1String("'DATE'") &&
                           values.at(4) == QLatin1String("'LCC'") &&
                           values.at(5) == QLatin1String("'DDC'") &&
                           values.at(6) == QLatin1String("'ISBNs'"));
     }
   }
   for( ; row < m_table->rowCount(); ++row) {
     for(int col = 0; col < m_table->columnCount(); ++col) {
       delete m_table->takeItem(row, col);
     }
   }
 
   m_table->setColumnCount(maxCols);
 
   if(m_isLibraryThing) {
     // do not call slotFirstRowHeader since it will loop
     m_firstRowHeader = true;
     updateHeader();
   }
 }
 
 void CSVImporter::slotTypeChanged() {
   createCollection();
 
   updateHeader();
   updateFieldCombo();
 
   // hack to force a resize
   m_comboField->setFont(m_comboField->font());
   m_comboField->updateGeometry();
 }
 
 void CSVImporter::slotFirstRowHeader(bool b_) {
   m_firstRowHeader = b_;
   updateHeader();
   fillTable();
 }
 
 void CSVImporter::slotDelimiter() {
   if(m_radioComma->isChecked()) {
     m_delimiter = QStringLiteral(",");
   } else if(m_radioSemicolon->isChecked()) {
     m_delimiter = QStringLiteral(";");
   } else if(m_radioTab->isChecked()) {
     m_delimiter = QStringLiteral("\t");
   } else {
     m_editOther->setFocus();
     m_delimiter = m_editOther->text();
   }
   m_colDelimiter = m_editColDelimiter->text();
   m_rowDelimiter = m_editRowDelimiter->text();
   if(!m_delimiter.isEmpty()) {
     m_parser->setDelimiter(m_delimiter);
     fillTable();
     updateHeader();
   }
 }
 
 void CSVImporter::slotCurrentChanged(int, int col_) {
   const int pos = col_+1;
   m_colSpinBox->setValue(pos); //slotSelectColumn() gets called because of the signal
 }
 
 void CSVImporter::slotHeaderClicked(int col_) {
   const int pos = col_+1;
   m_colSpinBox->setValue(pos); //slotSelectColumn() gets called because of the signal
 }
 
 void CSVImporter::slotSelectColumn(int pos_) {
   // pos is really the number of the position of the column
   const int col = pos_ - 1;
   m_table->scrollToItem(m_table->item(0, col));
   m_table->selectColumn(col);
   m_comboField->setCurrentItem(m_table->horizontalHeaderItem(col)->text());
 }
 
 void CSVImporter::slotSetColumnTitle() {
   int col = m_colSpinBox->value()-1;
   const QString title = m_comboField->currentText();
   m_table->horizontalHeaderItem(col)->setText(title);
   m_hasAssignedFields = true;
   // make sure none of the other columns have this title
   bool found = false;
   for(int i = 0; i < col; ++i) {
     if(m_table->horizontalHeaderItem(i)->text() == title) {
       m_table->horizontalHeaderItem(i)->setText(QString::number(i+1));
       found = true;
       break;
     }
   }
   // if found, then we're done
   if(found) {
     return;
   }
   for(int i = col+1; i < m_table->columnCount(); ++i) {
     if(m_table->horizontalHeaderItem(i)->text() == title) {
       m_table->horizontalHeaderItem(i)->setText(QString::number(i+1));
       break;
     }
   }
 }
 
 void CSVImporter::updateHeader() {
   if(!m_table) {
     return;
   }
 
   for(int col = 0; col < m_table->columnCount(); ++col) {
     QTableWidgetItem* headerItem = m_table->horizontalHeaderItem(col);
     if(!headerItem) {
       headerItem = new QTableWidgetItem();
       m_table->setHorizontalHeaderItem(col, headerItem);
     }
 
     QTableWidgetItem* item = m_table->item(0, col);
     Data::FieldPtr field;
     if(item && m_coll) {
       QString itemValue = item->text();
       // check against LibraryThing import
       if(m_isLibraryThing && m_coll->type() == Data::Collection::Book) {
         static QHash<QString, QString> ltFields;
         if(ltFields.isEmpty()) {
           ltFields[QStringLiteral("TITLE")]                = QStringLiteral("title");
           ltFields[QStringLiteral("AUTHOR (first, last)")] = QStringLiteral("author");
           ltFields[QStringLiteral("DATE")]                 = QStringLiteral("pub_year");
           ltFields[QStringLiteral("ISBNs")]                = QStringLiteral("isbn");
           ltFields[QStringLiteral("RATINGS")]              = QStringLiteral("rating");
           ltFields[QStringLiteral("ENTRY DATE")]           = QStringLiteral("cdate");
           ltFields[QStringLiteral("TAGS")]                 = QStringLiteral("keyword");
           ltFields[QStringLiteral("COMMENT")]              = QStringLiteral("comments");
           ltFields[QStringLiteral("REVIEWS")]              = QStringLiteral("review");
         }
         // strip leading and trailing single quotes
         itemValue.remove(0,1).chop(1);
         itemValue = ltFields.value(itemValue);
 
         // review is a new field, we're going to add it by default
         if(itemValue == QLatin1String("review") && !m_coll->hasField(itemValue)) {
           Data::FieldPtr field(new Data::Field(QStringLiteral("review"), i18n("Review"), Data::Field::Para));
           m_coll->addField(field);
           updateFieldCombo();
           m_comboField->setCurrentIndex(m_comboField->count()-2);
         }
       }
       field = m_coll->fieldByTitle(itemValue);
       if(!field) {
         field = m_coll->fieldByName(itemValue);
       }
     }
     if(m_firstRowHeader && field) {
       headerItem->setText(field->title());
       m_hasAssignedFields = true;
     } else {
       headerItem->setText(QString::number(col+1));
     }
   }
 }
 
 void CSVImporter::slotFieldChanged(int idx_) {
   // only care if it's the last item -> add new field
   if(idx_ < m_comboField->count()-1) {
     return;
   }
 
   CollectionFieldsDialog dlg(m_coll, m_widget);
   dlg.setNotifyKernel(false);
 
   if(dlg.exec() == QDialog::Accepted) {
     updateFieldCombo();
     fillTable();
   }
 
   // set the combo to the item before last
   m_comboField->setCurrentIndex(m_comboField->count()-2);
 }
 
 void CSVImporter::slotActionChanged(int action_) {
   Data::CollPtr currColl = currentCollection();
   if(!currColl) {
     m_existingCollection = nullptr;
     return;
   }
 
   switch(action_) {
     case Import::Replace:
       {
         int currType = m_comboColl->currentType();
         m_comboColl->reset();
         m_comboColl->setCurrentType(currType);
         m_existingCollection = nullptr;
       }
       break;
 
     case Import::Append:
     case Import::Merge:
      {
         m_comboColl->clear();
         QString name = CollectionFactory::nameHash().value(currColl->type());
         m_comboColl->addItem(name, currColl->type());
         m_existingCollection = currColl;
      }
      break;
   }
   slotTypeChanged();
 }
 
 void CSVImporter::slotCancel() {
   m_cancelled = true;
 }
 
 void CSVImporter::createCollection() {
   Data::Collection::Type type = static_cast<Data::Collection::Type>(m_comboColl->currentType());
   m_coll = CollectionFactory::collection(type, true);
   if(m_existingCollection) {
     // if we're using the existing collection, then we
     // want the newly created collection to have the same fields
     foreach(Data::FieldPtr field, m_coll->fields()) {
       m_coll->removeField(field, true /* force */);
     }
     foreach(Data::FieldPtr field, m_existingCollection->fields()) {
       m_coll->addField(Data::FieldPtr(new Data::Field(*field)));
     }
   }
 }
 
 void CSVImporter::updateFieldCombo() {
   m_comboField->clear();
   foreach(Data::FieldPtr field, m_coll->fields()) {
     m_comboField->addItem(field->title());
   }
   m_comboField->addItem(i18n("<New Field>"));
 }